Tom got sick last May and has been in bed since then. 为什么has been 而不是had been 1个回答 #合辑# 机票是越早买越便宜吗? 殷崇康 2011-01-18 · TA获得超过7万个赞 知道大有可为答主 回答量:3.4万 采纳率:52% 帮助的人:1.1亿 我也去答题访问个人页 关注 展开全部 从那时起到现在,而不是在那时之前。 本回答由提问者推荐 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 推荐律师服务: 若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询 其他类似问题 2016-05-30 Had they known what was coming next, they second thoughts. A.may have B.could have 2013-09-10 Tom is going _______ December, and she’s staying _____three weeks. 2014-09-06 Jack never stops talking. He is much ___ than his brother. A.outgoing B.more outgoing C.o 为你推荐: